# Logarithms Question 1a

1. Express in log notation and write down the base and the index.

a)

1. Express in log notation and write down the base and the index.

a)

a)

1. Express in log notation and write down the base and the index.

a)

Solution:

From the definition of the logarithms. If then , where a is the base and x is the index.

a)

Rule: If

(Note: Both terms have the same base,   )

then